Table 4.
Associations between all-cause and cause-specific mortality and BMI-arm circumference combinationsa
| Cause of death |
HR (95% CI), by BMI (kg/m2) and arm circumference (cm) |
||||
|---|---|---|---|---|---|
|
BMI <18.5 |
18.5≤ BMI ≤24.9 |
BMI ≥25.0 | |||
| AC <24.0 | AC ≥24.0 | AC <24.0 | AC ≥24.0 | AC ≥24.0 | |
| Person-years of follow-up pyrs | 54316 | 6432 | 28586 | 53914 | 11283 |
| All-cause death (total number of cases = 743) | |||||
| Number of cases | 377 | 28 | 93 | 206 | 39 |
| Model 1b | 1.64 (1.38–1.94) | 0.88 (0.59–1.31) | 1.23 (0.96–1.57) | Ref. | 1.05 (0.75–1.48) |
| Model 2c | 1.81 (1.52–2.17) | 0.95 (0.64–1.41) | 1.31 (1.02–1.68) | Ref. | 0.99 (0.70–1.41) |
| CVD death (total number of cases = 311) | |||||
| Number of cases | 133 | 14 | 37 | 102 | 25 |
| Model 1b | 1.13 (0.88–1.47) | 0.86 (0.49–1.50) | 1.08 (0.74–1.57) | Ref. | 1.46 (0.94–2.27) |
| Model 2c | 1.45 (1.11–1.91) | 1.02 (0.58–1.79) | 1.26 (0.86–1.85) | Ref. | 1.28 (0.82–1.99) |
| All cancer death (total number of cases = 125) | |||||
| Number of cases | 57 | 7 | 15 | 41 | 5 |
| Model 1b | 1.24 (0.83–1.86) | 1.11 (0.50–2.48) | 0.99 (0.55–1.80) | Ref. | 0.68 (0.27–1.72) |
| Model 2c | 1.22 (0.80–1.87) | 1.09 (0.49–2.46) | 0.98 (0.54–1.78) | Ref. | 0.67 (0.26–1.71) |
a15 participants with BMI ≥25.0 and AC <24.0 cm were excluded.
bModel 1 adjusted for age and sex,
cModel 2 adjusted for age, sex, education level, betel use, smoking status and baseline SBP level.